Finding the Fourth Proportional to 13,254,140.99, 18,290,823.80 and 7,452,871.98
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Solution
The fourth proportional to 13,254,140.99, 18,290,823.80 and 7,452,871.98 is: 10,285,024.76
Step by Step Solution
- Step 1: Write the proportion equation
13,254,140.99 : 18,290,823.80 = 7,452,871.98 : x - Step 2: Convert to fraction form
13,254,140.99/18,290,823.80 = 7,452,871.98/x - Step 3: Cross multiply
13,254,140.99x = 18,290,823.80 × 7,452,871.98 - Step 4: Simplify right side
13,254,140.99x = 136,319,168,190,137.14 - Step 5: Solve for x
x = 136,319,168,190,137.14/13,254,140.99 - Step 6: Final answer
x = 10,285,024.76
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.